WTF are Mace Bells & Basic Macebell ExercisesWell its almost a kettlebell on a stickMace Bells will Strengthen your grip , arms , shoulders , chest and back as well as improve your balance , and strengthen the core all in just a few basic movements by swinging this ancient ( but hardcore) tool of modern strength & conditioning science . The Macebell is solid steel ball Grey powder coat finish that will last you a lifetime .